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    <title>Document</title>
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    <script src="./a.js"></script>
    <script>
        console.log(arr);
        console.log(arr[0]);
        console.log(arr[0].data);
        console.log(arr[0].data[0]);
        console.log(arr[0].data[0].title);
        var str = ""
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            console.log(arr[0].data[i]);
            console.log(arr[0].data[i].title);
            var obj = arr[0].data[i];
            str += `<li>
                    <h4>${obj.title}</h4>
                </li>`
        }
        console.log(str);
    </script>
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